> the spoon shape
There is a secret to spraying ladles without splashback. You'll eventually figure it out.
> beverage buckets
If you're talking about this sort of thing https://www.amazon.com/BUNN-TDO-4-Commercial-Dispenser-Solid/dp/B002XSDQ1C you may be able to reach in and manually angle it so it is mostly upside down, with the top end a bottom corner and the bottom end in the opposite top corner, but it all depends.